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Expose setgroups. Fixes feature request #468116.

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This commit is contained in:
Martin v. Löwis 2001-10-18 04:06:00 +00:00
parent 6b47129424
commit 61c5edf6fc
6 changed files with 62 additions and 4 deletions
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48
Modules/posixmodule.c
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@ -3127,6 +3127,51 @@ posix_setgid(PyObject *self, PyObject *args)
}
#endif /* HAVE_SETGID */
#ifdef HAVE_SETGROUPS
static char posix_setgroups__doc__[] =
"setgroups(list) -> None\n\
Set the groups of the current process to list.";
static PyObject *
posix_setgroups(PyObject *self, PyObject *args)
{
PyObject *groups;
int i, len;
gid_t grouplist[MAX_GROUPS];
if (!PyArg_ParseTuple(args, "O:setgid", &groups))
return NULL;
if (!PySequence_Check(groups)) {
PyErr_SetString(PyExc_TypeError, "setgroups argument must be a sequence");
return NULL;
}
len = PySequence_Size(groups);
if (len > MAX_GROUPS) {
PyErr_SetString(PyExc_ValueError, "too many groups");
return NULL;
}
for(i = 0; i < len; i++) {
PyObject *elem;
elem = PySequence_GetItem(groups, i);
if (!elem)
return NULL;
if (!PyInt_Check(elem)) {
PyErr_SetString(PyExc_TypeError,
"groups must be integers");
Py_DECREF(elem);
return NULL;
}
/* XXX: check that value fits into gid_t. */
grouplist[i] = PyInt_AsLong(elem);
Py_DECREF(elem);
}
if (setgroups(len, grouplist) < 0)
return posix_error();
Py_INCREF(Py_None);
return Py_None;
}
#endif /* HAVE_SETGROUPS */
#ifdef HAVE_WAITPID
static char posix_waitpid__doc__[] =
@ -5467,6 +5512,9 @@ static PyMethodDef posix_methods[] = {
#ifdef HAVE_SETGID
{"setgid", posix_setgid, METH_VARARGS, posix_setgid__doc__},
#endif /* HAVE_SETGID */
#ifdef HAVE_SETGROUPS
{"setgroups", posix_setgroups, METH_VARARGS, posix_setgroups__doc__},
#endif /* HAVE_SETGROUPS */
#ifdef HAVE_SETPGRP
{"setpgrp", posix_setpgrp, METH_VARARGS, posix_setpgrp__doc__},
#endif /* HAVE_SETPGRP */